[Nike24]

Hay I need plugin when you enter the server you automatically joins the group or something like that

[Fearts]

No one is going to help you with that here. While it is possible it is frowned upon by this community. I also think it is against Steams ToS although I have never seen where it says that.

[deltadude]

Well i know you cant force pple to join groups anymore its not possible, but you can say... invite them urself.